All values are stored locally in a cookie. There is no need to register.

(works offline, loads faster, no ads)

(works offline, loads faster, no ads)(Ad supported freeware)

This site helps to calculate the mileage of your car quick and easy. In addition it can give you the cost per distance and maximum range of your car. Make sure you find the cheapest gas station near you in order to save.

You can save a history of calculations locally on your phone and email them to yourself for backup and further processing.